<div>
    <div id="app">
        <my-counter></my-counter>
    </div>
    <h1 id="text"></h1>
    <div>
        <ui-drag-item type="my-defined-asset-type-for-drop" additional='{"value":"this additional is dragInfo data."}'>
            <ui-label value="i18n:extend-assets-demo.drop.description"></ui-label>
        </ui-drag-item>
    </div>
</div>